| Package | Description | 
|---|---|
| com.google.cloud.datastore | A client for Cloud Datastore – A highly-scalable NoSQL database for web and mobile applications. | 
| Modifier and Type | Method and Description | 
|---|---|
| <T> T | Datastore. runInTransaction(Datastore.TransactionCallable<T> callable)Invokes the callback's  run(com.google.cloud.datastore.DatastoreReaderWriter)method with aDatastoreReaderWriterthat is associated with a new transaction. | 
| <T> T | Datastore. runInTransaction(Datastore.TransactionCallable<T> callable,
                TransactionOptions options)Invokes the callback's  run(com.google.cloud.datastore.DatastoreReaderWriter)method with aDatastoreReaderWriterthat is associated with a new transaction. | 
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